EP0157917A3 - Réduction de composés métalliques - Google Patents

Réduction de composés métalliques Download PDF

Info

Publication number
EP0157917A3
EP0157917A3 EP84114455A EP84114455A EP0157917A3 EP 0157917 A3 EP0157917 A3 EP 0157917A3 EP 84114455 A EP84114455 A EP 84114455A EP 84114455 A EP84114455 A EP 84114455A EP 0157917 A3 EP0157917 A3 EP 0157917A3
Authority
EP
European Patent Office
Prior art keywords
mixture
reduction
metal compounds
plasma arc
arc heater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP84114455A
Other languages
German (de)
English (en)
Other versions
EP0157917A2 (fr
Inventor
Herbert Dr. Schmidt
Lothar Dr. Kerker
Richard Dr. Müller
Jan Christoffel c/o Union Steel Corp. de Waal
Peter W. E. Dr. c/o Union Steel Corp. Blom
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huels AG
Original Assignee
Huels AG
Chemische Werke Huels AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huels AG, Chemische Werke Huels AG filed Critical Huels AG
Publication of EP0157917A2 publication Critical patent/EP0157917A2/fr
Publication of EP0157917A3 publication Critical patent/EP0157917A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/002—Heated electrically (plasma)
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/029—Introducing coolant gas in the shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
EP84114455A 1983-11-29 1984-11-29 Réduction de composés métalliques Withdrawn EP0157917A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA838881 1983-11-29
ZA838881 1983-11-29

Publications (2)

Publication Number Publication Date
EP0157917A2 EP0157917A2 (fr) 1985-10-16
EP0157917A3 true EP0157917A3 (fr) 1986-03-19

Family

ID=25577036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84114455A Withdrawn EP0157917A3 (fr) 1983-11-29 1984-11-29 Réduction de composés métalliques

Country Status (9)

Country Link
US (1) US4606761A (fr)
EP (1) EP0157917A3 (fr)
JP (1) JPS60155627A (fr)
AU (1) AU3599784A (fr)
BR (1) BR8406090A (fr)
CA (1) CA1228482A (fr)
IN (1) IN163851B (fr)
NZ (1) NZ210377A (fr)
ZW (1) ZW19384A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE453304B (sv) * 1984-10-19 1988-01-25 Skf Steel Eng Ab Sett for framstellning av metaller och/eller generering av slagg fran oxidmalmer
SE457355B (sv) * 1985-09-25 1988-12-19 Skf Steel Eng Ab Saett att framstaella en ren, koloxid och vaetgas innehaallande gas
AU7975487A (en) * 1986-10-16 1988-04-21 Edward L. Bateman Pty. Ltd Plasma treatment of waste h/c gas to produce synthesis gas
JPS6473028A (en) * 1987-09-16 1989-03-17 Tosoh Corp Recovering method for high purity tantalum from scrap tantalum
DE19525270C2 (de) * 1994-07-13 1999-08-26 Int Steel Ind Engineering Co Verfahren zur Gewinnung von Roheisen aus Eisenoxiden
EP0915993A1 (fr) * 1996-05-28 1999-05-19 L & C Steinmuller (Africa) (Proprietary) limited Traitement en lit fluidise de la poussiere de four electrique a arc
AT406270B (de) 1997-12-05 2000-03-27 Voest Alpine Ind Anlagen Verfahren und anlage zum reduzieren von metalloxidhältigem material
US7604680B2 (en) * 2004-03-31 2009-10-20 General Electric Company Producing nickel-base, cobalt-base, iron-base, iron-nickel-base, or iron-nickel-cobalt-base alloy articles by reduction of nonmetallic precursor compounds and melting
KR101025035B1 (ko) * 2009-06-23 2011-03-25 주성호 프라즈마를 이용한 버어너
JP5630222B2 (ja) * 2010-11-10 2014-11-26 新日鐵住金株式会社 予熱原料を使用した直接還元炉の操業方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2177089A1 (fr) * 1972-03-23 1973-11-02 Bituminous Coal Research
DE2166408A1 (de) * 1970-06-30 1974-02-28 Centre Rech Metallurgique Verfahren zum herstellen eines reduktionsgases
FR2223449A1 (en) * 1973-03-26 1974-10-25 Skf Ind Trading & Dev Reduction gas for metallurgical processes - made by passing recycle gas with carbon and/or hydrocarbons through a gas plasma to raise temp.
FR2256233A1 (fr) * 1973-12-27 1975-07-25 Centre Rech Metallurgique
FR2270202A1 (fr) * 1974-05-10 1975-12-05 Centre Rech Metallurgique
US3988123A (en) * 1975-08-15 1976-10-26 The United States Of America As Represented By The United States Energy Research And Development Administration Gasification of carbonaceous solids
BE883667A (nl) * 1980-06-05 1980-12-05 Centre Rech Metallurgique Procede de conduite d'un four a cuve
EP0021601A1 (fr) * 1979-05-25 1981-01-07 Westinghouse Electric Corporation Procédé de régénération d'un mélange de gaz réducteurs à partir des gaz d'échappement formés lors de la fabrication d'éponge de fer
WO1983003091A1 (fr) * 1982-03-01 1983-09-15 Ethyl Corp Procede de deproportionnement d'halosilanes et systeme catalyseurutilise avec le procede

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140168A (en) * 1961-05-31 1964-07-07 Inland Steel Co Reduction of iron ore with hydrogen

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2166408A1 (de) * 1970-06-30 1974-02-28 Centre Rech Metallurgique Verfahren zum herstellen eines reduktionsgases
FR2177089A1 (fr) * 1972-03-23 1973-11-02 Bituminous Coal Research
FR2223449A1 (en) * 1973-03-26 1974-10-25 Skf Ind Trading & Dev Reduction gas for metallurgical processes - made by passing recycle gas with carbon and/or hydrocarbons through a gas plasma to raise temp.
FR2256233A1 (fr) * 1973-12-27 1975-07-25 Centre Rech Metallurgique
FR2270202A1 (fr) * 1974-05-10 1975-12-05 Centre Rech Metallurgique
US3988123A (en) * 1975-08-15 1976-10-26 The United States Of America As Represented By The United States Energy Research And Development Administration Gasification of carbonaceous solids
EP0021601A1 (fr) * 1979-05-25 1981-01-07 Westinghouse Electric Corporation Procédé de régénération d'un mélange de gaz réducteurs à partir des gaz d'échappement formés lors de la fabrication d'éponge de fer
BE883667A (nl) * 1980-06-05 1980-12-05 Centre Rech Metallurgique Procede de conduite d'un four a cuve
WO1983003091A1 (fr) * 1982-03-01 1983-09-15 Ethyl Corp Procede de deproportionnement d'halosilanes et systeme catalyseurutilise avec le procede

Also Published As

Publication number Publication date
ZW19384A1 (en) 1985-02-20
CA1228482A (fr) 1987-10-27
BR8406090A (pt) 1985-09-24
IN163851B (fr) 1988-11-26
NZ210377A (en) 1988-06-30
EP0157917A2 (fr) 1985-10-16
AU3599784A (en) 1985-06-13
JPH0257134B2 (fr) 1990-12-04
US4606761A (en) 1986-08-19
JPS60155627A (ja) 1985-08-15

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: HUELS AKTIENGESELLSCHAFT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

17P Request for examination filed

Effective date: 19860530

17Q First examination report despatched

Effective date: 19870622

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19880607

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KERKER, LOTHAR, DR.

Inventor name: MUELLER, RICHARD, DR.

Inventor name: BLOM, PETER W. E., DR.C/O UNION STEEL CORP.

Inventor name: SCHMIDT, HERBERT, DR.

Inventor name: DE WAAL, JAN CHRISTOFFELC/O UNION STEEL CORP.